Answers to questions about deposits, when deposits will be credited to your account, how to set up direct deposit, and more. A bank letter is an official document from your bank that provides important information about your business' official bank account.The nice thing about Wells Fargo is they will provide a direct deposit form and they will automatically input your information with just a few steps. Get routing numbers for Wells Fargo checking, savings, prepaid card, line of credit, and wire transfers or find your checking account number. Select the account you'd like your deposits to go to, and we'll pre-fill the form with your routing number, account number, and account type. By signing the filledout form, you: 1. Certify that the TIN you are giving is correct (or you are waiting for a number to be issued),. Be sure to provide complete Beneficiary Information including name, address and account number. (city and country are required for international wires). We can't process payments or deposits at our Corporate Office address.